Finding the Fourth Proportional to 105,879.96, 146,182.73 and 65,636.73

Step by Step Solution

1. Step 1: Write the proportion equation
   105,879.96 : 146,182.73 = 65,636.73 : x
2. Step 2: Convert to fraction form
   105,879.96/146,182.73 = 65,636.73/x
3. Step 3: Cross multiply
   105,879.96x = 146,182.73 × 65,636.73
4. Step 4: Simplify right side
   105,879.96x = 9,594,956,051.49
5. Step 5: Solve for x
   x = 9,594,956,051.49/105,879.96
6. Step 6: Final answer
   x = 90,621.08